Rockwool ComfortBatt Stone Wool Insulation
Rockwool ComfortBatt Stone Wool Insulation
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Rockwool ComfortBatt Stone Wool Insulation

Key item features

  • Flexible Design: Semi-rigid batt with a unique flexible edge that compresses for easy insertion into frames and expands for a complete fill, accommodating variations in stud centers.
  • Versatile Application: Suitable for new residential construction and renovations, designed for use in walls, attics, ceilings, and floor frames.
  • Performance Assurance: The flexible edge ensures the expected R-value is achieved by maintaining full contact with frame studs.
  • Key Properties: Easily cut, non-combustible, offers excellent sound absorbency, resists rot, fungi, mildew, and has low moisture absorption.
  • Eco-Friendly Composition: CFC and HCFC-free product and process, made from natural and recycled materials.
  • LEED Contribution: Can contribute to earning LEED (Leadership in Energy and Environmental Design) points.
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Current price is $7.99
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Customer ratings & reviews

4.8 out of 5 stars
stars443 ratings441 reviews
How item rating is calculated
  1. 5 stars84% (374)
  2. 4 stars14% (61)
  3. 3 stars1% (5)
  4. 2 stars0% (1)
  5. 1 star0% (2)

Reviews summary

Pros

  • : Process is simple and quick to complete.
  • : Simple to install and cut with manageable sizes.
  • : Provides high insulation performance in below-grade areas.
  • : Offers better insulation and thermal properties at this price point.
  • : Provides excellent sound deadening.
  • : Provides added safety in emergency situations.
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Showing 1-3 of 441 reviews

Jul 22, 2024
Alex
5 out of 5 stars review

Incredible Insulation

We installed R23 Comfortbatt in exterior walls, R24 in our I-Joist floor platform, and R38 plus a layer of R15 in the attic of our new construction owner-built house. What a huge difference it made in thermal comfort of the house, even before the vapor control layer and drywall was in. Love the resistance to fire, water, mold, insects, etc. and our DIY install was easy!

Review from rockwool.com
Helpful?5X2OM5QBIEDI549888568
Mar 12, 2018
Coach
5 out of 5 stars review

I WILL BUY THIS PRODUCT OVER & OVER & OVER AGAIN!!!!

Ive been a fan of Roxul aka "Rockwool" ever since Mike Holmes Introduced it to his show Holmes on Homes. Had to wait a couple of years before it came to the States but when it did, i was elated!!! I got to try the water test and burning it, and boy was it amazing, just as described and show. I will never ever use the pink insulation ever again!! Re-insulating that garage picture i sent you in 90degree heat, after done that garage kept a temp of 70 degrees, i was extremely impressed!! ROXUL HEAD 4 LIFE!!!!!!!

Review from rockwool.com
Helpful?5X2OM5QBIEDI549888568
Jul 10, 2019
Andreas
5 out of 5 stars review

The best product!

I have replaced all of the old 1955 insulation in my home and i am working on the last room right now.I'm using R14 for 2 x 4 application inside my walls.I am so glad that i'm using Roxul as it has already shown to lower my heating bills and the accoustics changed right away.I don't hear much noise outside anymore.It is so easy to install and it's not itchy,i'm cutting the pieces with a bread knife.Thanks guys for a great product!

Review from rockwool.com
Helpful?5X2OM5QBIEDI549888568